Three Same Digits Puzzle

john's Avatar


14 Oct, 2018 11:07 AM

How many four-digit integers have three of its digits the same and different from the fourth (like 1113)?

Count the number of red squares in the image to find the answer. If you zoom in, a valid four-digit integer is printed inside each red square.

Nodebox network (zipped) attached.

Reply to this discussion

Internal reply

Formatting help / Preview (switch to plain text) No formatting (switch to Markdown)

Attaching KB article:


Already uploaded files

  • three_digits_the_same.png 190 KB
  • three_digits_puzzle_screenshot.png 490 KB
  • 1.69 KB

Attached Files

You can attach files up to 10MB

If you don't have an account yet, we need to confirm you're human and not a machine trying to post spam.

Keyboard shortcuts


? Show this help
ESC Blurs the current field

Comment Form

r Focus the comment reply box
^ + ↩ Submit the comment

You can use Command ⌘ instead of Control ^ on Mac